The system-posix-redirect package

Due to the design of POSIX, it is possible to
temporarily overload the file descriptors
corresponding to stdout and stderr to point to an
arbitrary pipe. It is, however, tricky to get
right. This module gets it right, as far as such
a terrible hack can be made right. It can be used
to make misbehaving third-party C libraries stop
spewing to standard output. Warning: the module
author has concluded that due to lack of
portability, this module should not be used in any
serious sytem. But, for those who like living
dangerously...